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Spot the Difference

In this quick, completely free and entertaining game, we've put together some of our most mouth-watering images for you to take a look at and spot the difference! It's easy to play. So, what do you think? Are you up for the challenge? Play now and get your score at the end!

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Fact Lab

Not all stars are gigantic. Neutron stars have a radius of about 10 km (6 mi), but they might have a mass that is a few times the size of our Sun. These dense stars, born from core-collapsing supernova star explosions, also rotate at incredible speeds – an estimated 600-712 rotations per second!

The conodont is an extinct, eel-like creature with two distinct honors: they are one of the earliest vertebrates to evolve teeth, and their teeth are the sharpest dental structures ever measured, measuring 1/20th of the width of a human hair.

The largest monkey in the world is the mandrill. Their bright red and blue facial markings give them an unforgettable appearance and are caused by blood vessels and collagen fibers. Their hands are also very humanlike, with fingernails instead of claws.

Fact Lab